package day04;

import java.util.Scanner;

/**
 * @author Huangjin
 * @version 1.0
 * @date 2023/2/15 20:43
 */
public class ExtendedExercises {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int num = sc.nextInt();
        if (num>0){
            System.out.println("+");
        }else if (num<0){
            System.out.println("-");
        }else {
            System.out.println(0);
        }

        
    }
}
